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Alexander VII (born Feb. 13, 1599, Siena, Republic of Florence—died May 22, 1667, Rome) was the pope from 1655 to 1667. Grandnephew of Pope Paul V, Chigi served the church as vice legate at Ferrara and as nuncio at Cologne (1639–51). During the negotiations leading to the Peace of Westphalia (1648), he refused to deliberate with the Protestant heretics and urged the Catholic princes not to sacrifice the rights of the church. The princes, however,...